Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

What is the riddle which can be asked all day with a different correct answer each time.

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

Which country gets ill every time?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?